Comer, Douglas E. <br/><br/>
Computer networks and internets / 
Douglas E.Comer 
 - USA:  Elsevier;  2018. 
 - 666 p. :  ill;  23 cm. 
<br/><br/><label>ISBN: </label>9789352869152 
<br/><br/><label>Subjects--Topical Terms: </label><br/>computer science/ web operating system
<br/><br/><label>Dewey Class. No.: </label>004  / COM-C